Alarm clock



FIG. 1 is a front elevational view of an alarm clock showing my new design with the cover/stand in the open position;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a left-front perspective view thereof;

FIG. 7 is a right-front perspective view thereof;

FIG. 8 is a front elevational view of the alarm clock with cover/stand in a closed position; and

FIG. 9 is a rear elevational view of FIG. 8. 

The ornamental design for an alarm clock, as shown and described. 